20129219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 23004000

約数和(自身を除く): 2874781

約数列:

[1, 11, 29, 89, 319, 709, 979, 2581, 7799, 20561, 28391, 63101, 226171, 694111, 1829929, 20129219]

約数ペア:

[(1, 20129219), (11, 1829929), (29, 694111), (89, 226171), (319, 63101), (709, 28391), (979, 20561), (2581, 7799)]